Subject: Re: ifconfig alias/Invalid ARP Source
To: None <current-users@NetBSD.ORG>
From: Unprivileged user <>
List: current-users
Date: 01/01/1996 15:07:37
On Sun, 31 Dec 1995 15:20:27 GMT David Jones ( (<>) wrote:
> > After adding an IP alias, my  HP Router (27289A, 240/FR) rejects arp
> > packets form the NetBSD machine with 'Invalid ARP Source: on
> >' and subsequently refuses to talk to it. 
> > 
> Related to that, does the HP router have a "security" setting that
> causes it to reject the "extraneous" IP addresses, in the belief that
> your dual-home machine is spoofing somebody?

That was the answer.  The HP router can control the handling of ARP 
packets for  IP addresses which are not in the 'local' network. The
default is 'drop & log'. I changed that to 'accept' and all is well.

Thanks to all who responded.